Home / 102,948.04-154,423.68-40,618

Finding the Fourth Proportional to 102,948.04, 154,423.68 and 40,618

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Solution

The fourth proportional to 102,948.04, 154,423.68 and 40,618 is: 60,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,948.04 : 154,423.68 = 40,618 : x
  2. Step 2: Convert to fraction form
    102,948.04/154,423.68 = 40,618/x
  3. Step 3: Cross multiply
    102,948.04x = 154,423.68 × 40,618
  4. Step 4: Simplify right side
    102,948.04x = 6,272,381,034.24
  5. Step 5: Solve for x
    x = 6,272,381,034.24/102,948.04
  6. Step 6: Final answer
    x = 60,927.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.